We can add only odd numbers. Let's assume that we're dealing ONLY with positive numbers. Which two odd numbers add to 20? 1+19 qualifies.
So do 3+17, 5+15, 7+13, 9+11.
Answer:
Step-by-step explanation:
n(30/100)=27
n=100(27)/30
n=90
3/4 if a cup of sugar. Just add one half and one quarter. Since two quarters = one half, the answer is 3/4 of a cup
